1. Environment Preparation 1.1 Preparing Data Disks Inspect the data disks 1 lsblk -d -o NAME,SIZE,TYPE | grep nvme 1 2 3 4 nvme0n1 745.2G disk nvme1n1 745.2G disk nvme2n1 745.2G disk nvme3n1 745.2G disk Prepare the storage directories 1 2 3 for i in {0..3}; do mkdir -p /mnt/data${i} done Format the data disks 1 2 3 for i in {0.

1. The container’s ulimit is set too low Error message: 1 2 3 4 5 6 7 CheckpointDir: /root/.obsutil_checkpoint OutputDir: /root/.obsutil_output runtime: mlock of signal stack failed: 12 runtime: increase the mlock limit (ulimit -l) or runtime: update your kernel to 5.3.15+, 5.4.2+, or 5.5+ fatal error: mlock failed Under Docker, you can add the ulimit parameter at startup 1 docker run -it --ulimit memlock=-1 .